Purple Punch is famous for her sweet berry and candy flavors, and growers waited a long time for an autoflowering version. Royal Queen Seeds delivered by crossing Purple Punch with Old Skunk Auto, producing Purple Punch Auto, a moreish autoflower with a 75% indica, 20% sativa and 5% ruderalis genetic split.
Old Skunk is known for its robustness and for lending stable growth to the strains it touches, so Purple Punch Auto is easy to grow in almost any environment. Thanks to the ruderalis genetics, she flowers on her own with no light-schedule switch. Keep the lamps on 18/6 or 20/4 from seed to harvest and let her do the rest.
She does not waste any time. Flowering lasts 50–55 days (about 7–8 weeks), and the full cycle takes just 65–70 days after germination, about 9 to 10 weeks. Outdoors, that speed opens the door to several harvests in one long summer.
Her size is another bonus. Indoors she reaches 2 to 3 feet (60–90 cm), and outdoors 3 to 4 feet (90–120 cm), which makes her a great fit for balconies, terraces and other small spaces. Expect 12 to 14 oz/m² (340–395 g/m²) indoors and up to 3 to 4 oz/plant (85–115 g/plant) outdoors.
Berry Candy Flavor and a Relaxing Indica Stone
Purple Punch Auto holds her own against photoperiod strains when it comes to flavor. The smoke is sweet candy with berries and grape, balanced by tart, fresh notes that keep the sweetness from becoming cloying. It is a fun, fruity profile that makes every session feel like dessert.
With THC up to 19% and a medium CBD level, the effect is powerful and mostly physical. A stoning, body-centered calm spreads from head to toe, making her a great match for relaxed nights at home, movies and slow conversations.
Picture a bowl of mixed berries and grape candy on the coffee table, with your feet up and nowhere to be.
Growing Purple Punch Auto
Purple Punch Auto is about as low-stress as autoflowers get. Sow her directly into a final container of around 3 to 5 gallons (11–19 L) to avoid transplant shock, and apply gentle low-stress training during the first few weeks to widen the canopy. Avoid heavy topping, since autos have a fixed timeline. A balanced feeding routine and good airflow will carry her to a sticky, sweet-smelling harvest in under three months.
Purple Punch Auto Characteristics
| Strain type | Autoflowering (feminized) |
| Genetics | Purple Punch x Old Skunk Auto |
| Indica/Sativa | 75% Indica / 20% Sativa / 5% Ruderalis |
| THC | Up to 19% |
| CBD | Medium |
| Effect | Physically relaxing |
| Flavor | Candy, fruity (berries, grape) |
| Indoor yield | 12 to 14 oz/m² (340–395 g/m²) |
| Outdoor yield | 3 to 4 oz/plant (85–115 g/plant) |
| Flowering time | 50–55 days (about 7–8 weeks) |
| Seed to harvest | 65–70 days (about 9–10 weeks) |
| Height | Indoors 2 to 3 feet (60–90 cm); outdoors 3 to 4 feet (90–120 cm) |
| Climate | Long summers |
| Best cultivation technique | Gentle LST under 18/6 or 20/4 light |
FAQ
How long does Purple Punch Auto take from seed to harvest?
Royal Queen Seeds lists 65 to 70 days after germination, about 9 to 10 weeks. Flowering itself takes 50 to 55 days.
What are the genetics of Purple Punch Auto?
She is a cross of Purple Punch and Old Skunk Auto, with 75% indica, 20% sativa and 5% ruderalis genetics.
Does Purple Punch Auto need a light schedule change?
No. She flowers automatically. Keep the lights on 18/6 or 20/4 for the whole grow.
How strong is Purple Punch Auto?
THC reaches up to 19%, with a medium CBD level. The high is mostly physical and relaxing.
Is Purple Punch Auto good for small spaces?
Yes. She grows to 2 to 3 feet (60 to 90 cm) indoors and 3 to 4 feet (90 to 120 cm) outdoors, ideal for balconies, terraces and compact tents.
What yield does Purple Punch Auto produce?
Indoors, 12 to 14 oz/m² (340 to 395 g/m²). Outdoors, up to 3 to 4 oz/plant (85 to 115 g/plant).
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